20782968960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7639}}^1$

素因数の和:7783

約数の個数: 256

約数和(自身を含む): 72005472000

約数和(自身を除く): 51222503040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 109, 120, 128, 130, 156, 160, 192, 195, 208, 218, 240, 260, 312, 320, 327, 384, 390, 416, 436, 480, 520, 545, 624, 640, 654, 780, 832, 872, 960, 1040, 1090, 1248, 1308, 1417, 1560, 1635, 1664, 1744, 1920, 2080, 2180, 2496, 2616, 2834, 3120, 3270, 3488, 4160, 4251, 4360, 4992, 5232, 5668, 6240, 6540, 6976, 7085, 7639, 8320, 8502, 8720, 10464, 11336, 12480, 13080, 13952, 14170, 15278, 17004, 17440, 20928, 21255, 22672, 22917, 24960, 26160, 28340, 30556, 34008, 34880, 38195, 41856, 42510, 45344, 45834, 52320, 56680, 61112, 68016, 69760, 76390, 85020, 90688, 91668, 99307, 104640, 113360, 114585, 122224, 136032, 152780, 170040, 181376, 183336, 198614, 209280, 226720, 229170, 244448, 272064, 297921, 305560, 340080, 366672, 397228, 453440, 458340, 488896, 496535, 544128, 595842, 611120, 680160, 733344, 794456, 832651, 906880, 916680, 977792, 993070, 1191684, 1222240, 1360320, 1466688, 1489605, 1588912, 1665302, 1833360, 1986140, 2383368, 2444480, 2497953, 2720640, 2933376, 2979210, 3177824, 3330604, 3666720, 3972280, 4163255, 4766736, 4888960, 4995906, 5958420, 6355648, 6661208, 7333440, 7944560, 8326510, 9533472, 9991812, 10824463, 11916840, 12489765, 12711296, 13322416, 14666880, 15889120, 16653020, 19066944, 19983624, 21648926, 23833680, 24979530, 26644832, 31778240, 32473389, 33306040, 38133888, 39967248, 43297852, 47667360, 49959060, 53289664, 54122315, 63556480, 64946778, 66612080, 79934496, 86595704, 95334720, 99918120, 106579328, 108244630, 129893556, 133224160, 159868992, 162366945, 173191408, 190669440, 199836240, 216489260, 259787112, 266448320, 319737984, 324733890, 346382816, 399672480, 432978520, 519574224, 532896640, 649467780, 692765632, 799344960, 865957040, 1039148448, 1298935560, 1385531264, 1598689920, 1731914080, 2078296896, 2597871120, 3463828160, 4156593792, 5195742240, 6927656320, 10391484480, 20782968960]

約数ペア:

[(1, 20782968960), (2, 10391484480), (3, 6927656320), (4, 5195742240), (5, 4156593792), (6, 3463828160), (8, 2597871120), (10, 2078296896), (12, 1731914080), (13, 1598689920), (15, 1385531264), (16, 1298935560), (20, 1039148448), (24, 865957040), (26, 799344960), (30, 692765632), (32, 649467780), (39, 532896640), (40, 519574224), (48, 432978520), (52, 399672480), (60, 346382816), (64, 324733890), (65, 319737984), (78, 266448320), (80, 259787112), (96, 216489260), (104, 199836240), (109, 190669440), (120, 173191408), (128, 162366945), (130, 159868992), (156, 133224160), (160, 129893556), (192, 108244630), (195, 106579328), (208, 99918120), (218, 95334720), (240, 86595704), (260, 79934496), (312, 66612080), (320, 64946778), (327, 63556480), (384, 54122315), (390, 53289664), (416, 49959060), (436, 47667360), (480, 43297852), (520, 39967248), (545, 38133888), (624, 33306040), (640, 32473389), (654, 31778240), (780, 26644832), (832, 24979530), (872, 23833680), (960, 21648926), (1040, 19983624), (1090, 19066944), (1248, 16653020), (1308, 15889120), (1417, 14666880), (1560, 13322416), (1635, 12711296), (1664, 12489765), (1744, 11916840), (1920, 10824463), (2080, 9991812), (2180, 9533472), (2496, 8326510), (2616, 7944560), (2834, 7333440), (3120, 6661208), (3270, 6355648), (3488, 5958420), (4160, 4995906), (4251, 4888960), (4360, 4766736), (4992, 4163255), (5232, 3972280), (5668, 3666720), (6240, 3330604), (6540, 3177824), (6976, 2979210), (7085, 2933376), (7639, 2720640), (8320, 2497953), (8502, 2444480), (8720, 2383368), (10464, 1986140), (11336, 1833360), (12480, 1665302), (13080, 1588912), (13952, 1489605), (14170, 1466688), (15278, 1360320), (17004, 1222240), (17440, 1191684), (20928, 993070), (21255, 977792), (22672, 916680), (22917, 906880), (24960, 832651), (26160, 794456), (28340, 733344), (30556, 680160), (34008, 611120), (34880, 595842), (38195, 544128), (41856, 496535), (42510, 488896), (45344, 458340), (45834, 453440), (52320, 397228), (56680, 366672), (61112, 340080), (68016, 305560), (69760, 297921), (76390, 272064), (85020, 244448), (90688, 229170), (91668, 226720), (99307, 209280), (104640, 198614), (113360, 183336), (114585, 181376), (122224, 170040), (136032, 152780)]